9853386685 has 8 divisors (see below), whose sum is σ = 11824600536. Its totient is φ = 7882351680.

The previous prime is 9853386679. The next prime is 9853386701. The reversal of 9853386685 is 5866833589.

It can be written as a sum of positive squares in 4 ways, for example, as 2576273049 + 7277113636 = 50757^2 + 85306^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9853386685 - 2²¹ = 9851289533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171975 + ... + 221995.

It is an arithmetic number, because the mean of its divisors is an integer number (1478075067).

Almost surely, 2^9853386685 is an apocalyptic number.

It is an amenable number.

9853386685 is a deficient number, since it is larger than the sum of its proper divisors (1971213851).

9853386685 is a wasteful number, since it uses less digits than its factorization.

9853386685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89423.

The product of its digits is 37324800, while the sum is 61.

The square root of 9853386685 is about 99264.2266126121. The cubic root of 9853386685 is about 2143.8538501825.

The spelling of 9853386685 in words is "nine billion, eight hundred fifty-three million, three hundred eighty-six thousand, six hundred eighty-five".